---
title: A8
framework: coreimage
role: symbol
role_heading: Type Property
path: coreimage/ciformat/a8
---

# A8

An 8-bit-per-pixel, fixed-point pixel format in which the sole component is alpha.

## Declaration

```swift
static let A8: CIFormat
```

## See Also

### Image Formats

- [A16](coreimage/ciformat/a16.md)
- [ABGR8](coreimage/ciformat/abgr8.md)
- [ARGB8](coreimage/ciformat/argb8.md)
- [Af](coreimage/ciformat/af.md)
- [Ah](coreimage/ciformat/ah.md)
- [BGRA8](coreimage/ciformat/bgra8.md)
- [R16](coreimage/ciformat/r16.md)
- [R8](coreimage/ciformat/r8.md)
- [RG16](coreimage/ciformat/rg16.md)
- [RG8](coreimage/ciformat/rg8.md)
- [RGB10](coreimage/ciformat/rgb10.md)
- [RGBA16](coreimage/ciformat/rgba16.md)
- [RGBX16](coreimage/ciformat/rgbx16.md)
- [RGBA8](coreimage/ciformat/rgba8.md)
- [RGBAf](coreimage/ciformat/rgbaf.md)